What is the CVSS score of CVE-2022-43171?

CVE-2022-43171 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.7%.

Is there a public PoC exploit available for CVE-2022-43171?

Yes, a public proof-of-concept exploit is available for CVE-2022-43171. Prioritise patching immediately. EPSS: 0.7%.

Is there a patch available for CVE-2022-43171?

Yes, a patch is available for CVE-2022-43171. Update the affected software to the latest version immediately.

Lief CVE-2022-43171

MEDIUM

Out-of-bounds Write (CWE-787)

2022-11-17 cve@mitre.org

Memory Corruption Denial Of Service Buffer Overflow Lief

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Nov 17, 2022 - 23:15 nvd

MEDIUM 6.5

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

9 pypi packages depend on lief (9 direct, 0 indirect)

Ecosystem-wide dependent count for version 0.12.3.

DescriptionNVD

A heap buffer overflow in the LIEF::MachO::BinaryParser::parse_dyldinfo_generic_bind function of LIEF v0.12.1 allows attackers to cause a Denial of Service (DoS) via a crafted MachO file.

AnalysisAI

A heap buffer overflow in the LIEF::MachO::BinaryParser::parse_dyldinfo_generic_bind function of LIEF v0.12.1 allows attackers to cause a Denial of Service (DoS) via a crafted MachO file. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. A heap buffer overflow in the LIEF::MachO::BinaryParser::parse_dyldinfo_generic_bind function of LIEF v0.12.1 allows attackers to cause a Denial of Service (DoS) via a crafted MachO file. Affected products include: Lief-Project Lief.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).